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glslang/gtests
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LoopDawg 7f93d56ef2 HLSL: add subpass input types and methods 
Add support for Subpass Input proposal of issue #1069.

Subpass input types are given as:

    layout(input_attachment_index = 1) SubpassInput<float4> subpass_f;
    layout(input_attachment_index = 2) SubpassInput<int4>   subpass_i;
    layout(input_attachment_index = 3) SubpassInput<uint4>  subpass_u;

    layout(input_attachment_index = 1) SubpassInputMS<float4> subpass_ms_f;
    layout(input_attachment_index = 2) SubpassInputMS<int4>   subpass_ms_i;
    layout(input_attachment_index = 3) SubpassInputMS<uint4>  subpass_ms_u;

The input attachment may also be specified using attribute syntax:

    [[vk::input_attachment_index(7)]] SubpassInput subpass_2;

The template type may be a shorter-than-vec4 vector, but currently user
structs are not supported.  (An unimplemented error will be issued).

The load operations are methods on objects of the above type:

    float4 result = subpass_f.SubpassLoad();
    int4   result = subpass_i.SubpassLoad();
    uint4  result = subpass_u.SubpassLoad();

    float4 result = subpass_ms_f.SubpassLoad(samp);
    int4   result = subpass_ms_i.SubpassLoad(samp);
    uint4  result = subpass_ms_u.SubpassLoad(samp);

Additionally, the AST printer could not print EOpSubpass* nodes.  Now it can.

Fixes #1069
2017-10-02 12:46:55 -06:00
..
AST.FromFile.cpp Add support for GL_OES_EGL_image_external_essl3 2017-09-05 14:56:26 +01:00
BuiltInResource.FromFile.cpp Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
CMakeLists.txt Update CMakeLists.txt 2017-07-04 05:59:03 -07:00
Config.FromFile.cpp Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
HexFloat.cpp Update HexFloat tests to use non-enum class enum values 2016-10-13 20:05:13 +02:00
Hlsl.FromFile.cpp HLSL: add subpass input types and methods 2017-10-02 12:46:55 -06:00
Initializer.h Infrastructure: Make shared symbol-table cache complete, delete work around. 2016-08-09 19:15:17 -06:00
Link.FromFile.cpp Linker: Walk the call graph to report an error on missing bodies. 2016-12-08 23:22:21 -07:00
Link.FromFile.Vk.cpp SPV: Give error on not assigning locations to I/O. 2017-05-18 15:07:05 -06:00
main.cpp Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
Pp.FromFile.cpp Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
README.md Link in Google Test framework. 2016-03-31 10:31:30 -04:00
Remap.FromFile.cpp Remapper: handle embedded opcode in OpSpecConstantOp 2017-05-18 16:13:04 -06:00
Settings.cpp Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
Settings.h Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
Spv.FromFile.cpp HLSL: add subpass input types and methods 2017-10-02 12:46:55 -06:00
TestFixture.cpp Linker: Eliminate uncalled functions, because they can be ill-defined. 2016-12-09 19:22:20 -07:00
TestFixture.h Enable HLSL legalization 2017-09-27 15:06:05 -06:00

README.md

Glslang Tests based on the Google Test Framework

This directory contains Google Test based test fixture and test cases for glslang.

Apart from typical unit tests, necessary utility methods are added into the GlslangTests fixture to provide the ability to do file-based integration tests. Various *.FromFile.cpp files lists names of files containing input shader code in the Test/ directory. Utility methods will load the input shader source, compile them, and compare with the corresponding expected output in the Test/baseResults/ directory.

How to run the tests

Please make sure you have a copy of Google Test checked out under the External directory before building. After building, just run the ctest command or the gtests/glslangtests binary in your build directory.

The gtests/glslangtests binary also provides an --update-mode command line option, which, if supplied, will overwrite the golden files under the Test/baseResults/ directory with real output from that invocation. This serves as an easy way to update golden files.